<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>博客列表</title>
    <link rel="stylesheet" href="css/list.css">
    <link rel="stylesheet" href="css/blog_list.css">
    <style>
        
        .nav{
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 50px;
        }
        .container{
            padding-top: 80px;
            height: auto;
        }
        .container-right{
            width: auto;
        }
        .blog-pagnation-wrapper{
            height: 40px;
            margin: 16px 0;
            text-align: center;
        }
        .blog-pagnation-item{
            display: inline-block;
            padding: 8px;
            border: 1px solid #d0d0d5;
            color: #333;
        }
        .blog-pagnation-item:hover{
            background: #4e4eeb;
            color: #fff;
        }
        .blog-pagnation-item.actvie{
            background: #4e4eeb;
            color: #fff;
        }

    </style>
    <script src="js/jquery.min.js"></script>
    <script src="js/urlutils.js"></script>
</head>

<body>
    <!-- 导航栏 -->
    <div class="nav">
        <img src="img/logo2.jpg" alt="">
        <span class="title">我的博客系统</span>
        <!-- 用来占据中间位置 -->
        <span class="spacer"></span>
        <a href="blog_list.html">主页</a>
        <a href="blog_add.html">写博客</a>
        <a href="login.html">登陆</a>
        <!-- <a href="#">注销</a> -->
    </div>
    <!-- 版心 -->
    <div class="container">
        <!-- 右侧内容详情 -->
        <div class="container-right" style="width: 100%;">
            <div id="artListDiv">
                <div class="blog" >
                    <div class="title">我的第一篇博客</div>
                    <div class="date"></div>
                    <div class="desc">正文</div>
                    <a href="blog_content.html?aid=1" class="detail">查看全文 &gt;&gt;</a>
                </div>
            </div>

        
            <hr>
            <div class="blog-pagnation-wrapper">
                <button class="blog-pagnation-item" onclick="doFirst()">首页</button> 
                <button class="blog-pagnation-item" onclick="doBefore()">上一页</button>  
                <button class="blog-pagnation-item" onclick="doNext()">下一页</button>
                <button class="blog-pagnation-item" onclick="doLast()">末页</button>
                &nbsp;&nbsp;&nbsp;&nbsp;
                第  <span id="pindex"></span> 页,
                共  <span id="psize"></span> 页
            </div>
        </div>
    </div>
    <script>
        var psize = 3; // 规定每页显示 3 条;
        var pindex = 1;
        var totalpage = 1; // 总页码
        // 初始化数据
        function init() {
            // 得到 url 中的分页参数
            psize = getParamValue("psize");
            if (psize == null) {
                psize = 3;
            }
            pindex = getParamValue("pindex");
            if (pindex == null) {
                pindex = 1;
            }
            jQuery("#pindex").html(pindex);
            // 请求后端接口
            jQuery.ajax({
                url:"art/getlistbypage",
                type:"POST",
                data:{
                    "pindex":pindex,
                    "psize":psize
                },
                success:function(res) {
                    // 将结果展示给用户
                    if (res.code == 200 && res.data != null) {
                        var createHtml = "";
                        if(res.data.list != null && res.data.list.length > 0) {
                            totalpage = res.data.size;
                            jQuery("#psize").html(totalpage);
                            var arrlist = res.data.list;
                            for (var i = 0; i < arrlist.length; i++) {
                                var art = arrlist[i];
                                createHtml += '<div class="blog">';
                                createHtml += '<div class="title">' + art.title + '</div>';
                                createHtml += '<div class="date">' + art.createtime + '</div>';
                                createHtml += '<div class="desc">' + art.content + '</div>';
                                createHtml += '<a href="blog_content.html?aid='+
                                art.id + '"class="detail">查看全文 &gt;&gt;</a>';
                                createHtml += '</div>';      
                            }
                        } else {
                            createHtml += '<h3 style="margin-top:20px;margin-left:20px">暂无发表文章</h3>';
                        }
                        jQuery("#artListDiv").html(createHtml);
                    } else {
                        alert("查询失败!" + res.msg);
                    }
                }
            });
        }
        init();
        // 首页
        function doFirst() {
            // 判断当前是否是首页
            if (pindex <= 1) {
                alert("已在首页!");
                return false;
            }
            // 跳转到首页
            location.href = "blog_list.html";
        }
        // 末页
        function doLast() {
            // 判断是否是末页
            if (pindex >= totalpage) {
                alert("已在末页!");
                return false;
            }
            // 跳转到末页
            location.href = "blog_list.html?pindex=" + totalpage;
        }
        // 上一页
        function doBefore() {
            // 判断当前是否是首页
            if (pindex <= 1) {
                alert("已在首页!");
                return false;
            }
            // 跳转上一页
            location.href = "blog_list.html?pindex=" + ((parseInt)(pindex) - 1);

        }
        // 下一页
        function doNext() {
            // 判断是否是末页
            if (pindex >= totalpage) {
                alert("已在末页!");
                return false;
            }
            // 跳转下一页
            location.href = "blog_list.html?pindex=" + ((parseInt)(pindex) + 1);
        }
    </script>
</body>
</html>